Add yarn.lock (#1035)

Since many people are like going to use `yarn` over `npm`, it's probably a good idea to add this
PrismJS · Oct 23, 2016 · 03ecf74 · 03ecf74
1 parent 76ba1b8
commit 03ecf74
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,5 @@
 hide-*.js
 node_modules
 .idea/
-.DS_Store
+.DS_Store
+yarn.lock